PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50MS251Gear,spur

Agilent Technologies, Inc. Div Agilent Technologies Headquarters · NSN 3020-00-372-0310 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-372-0310 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-372-0310. Primary manufacturer part number: 50MS251.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 16
  • Attachment Method: MOUNTING HOLE
  • Mounting Hole Type and Quantity: 2 THREADED TRANSVERSELY THROUGH HUB FIRST END
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 14.5000 DEGREES
  • Hub Nominal Diameter: 0.625 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-372-0310, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Agilent Technologies, Inc. Div Agilent Technologies Headquarters. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-372-0310
Primary Part Number50MS251
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAgilent Technologies, Inc. Div Agilent Technologies Headquarters
StatusACTIVE
Body StylePLAIN, SOLID
Teeth Quantity16
Attachment MethodMOUNTING HOLE
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Style DesignatorPROTRUDING HUB
Pressure Angle14.5000 DEGREES
Hub Nominal Diameter0.625 INCHES FIRST END IN
Mounting Hole Nominal Thread Size0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Pitch Diameter0.5000 INCHES NOMINAL IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Mounting Hole Thread Quantity Per Inch40 TRANSVERSELY THROUGH HUB FIRST END
Hub Style DesignatorPLAIN FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.436 INCHES FIRST END IN
Nominal Overall Length0.530 INCHES IN
Nominal Outside Diameter0.562 INCHES IN
Surface TreatmentNICKEL OVERALL
MaterialCOPPER ALLOY OVERALL
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.094 INCHES IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-758-069520125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5305-01-553-0814200337 INTERCHANGEABLE
Screw,cap,hexagon Head
M. E. Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
50MS251 Hewlett-Packard Company Dba HP (USA)
50MS251 PRIMARY Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
200337 Telectro-Mek Inc (USA)
Related Parts
5330-00-758-0695INTERCHANGEABLE
SEAL,PLAIN ENCASED
20125
5305-01-553-0814INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
200337

Frequently Asked Questions

What is NSN 3020-00-372-0310?

NSN 3020-00-372-0310 is a Gear,spur, manufactured by Agilent Technologies, Inc. Div Agilent Technologies Headquarters, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-372-0310?

NSN 3020-00-372-0310 has 3 cross-referenced part numbers: 50MS251 (Hewlett-Packard Company Dba HP), 50MS251 (Agilent Technologies, Inc. Div Agilent Technologies Headquarters), 200337 (Telectro-Mek Inc).

What NSN replaces 3020-00-372-0310?

There are 2 known substitutes for 3020-00-372-0310: 5330-00-758-0695, 5305-01-553-0814. Verify interchangeability with system specifications before substitution.

What are the specifications of 50MS251?

Key specifications for 50MS251: Body Style: PLAIN, SOLID; Teeth Quantity: 16; Attachment Method: MOUNTING HOLE; Mounting Hole Type and Quantity: 2 THREADED TRANSVERSELY THROUGH HUB FIRST END. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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